COMMUNICATION KIT INSTALLATION
15
E
N
G
L
IS
H
Terminal Block No.
Connection
Function
Remark.
1(L) / 2(N)
Power Supply
220-240 V~ 50 Hz
220 V~ 60 Hz
208/230 V~ 60 Hz
-
1
To Outdoor Unit
Communication Line
-
2-4
To Indoor Unit
(AHU)
Fan Signal
Low/Mid/High
3
DDC
Thermostat on/off Signal
-
6-8
DDC
Defrost, Heating,
Cooling Signal
-
9-10
To Indoor Unit
(AHU)
Pipe Out Thermistor
-
11-12
Pipe In Thermistor
-
13-14
Room Thermistor
-
15-17
Remote Controller
-
18
Analog Input
AI 10-2
Capacity Control
19
AI 10-3
Common Line
20
AI 10-4
Room Temperature Setting
21-22
To Outdoor Unit
RS485 Communication
-
23
Digital Input
DI 01-3
Operation ON/OFF
24
DI 01-1
Common Line
25
DI 23-3
Mode Change
26
DI 23-2
27
DI 23-1
Common Line
28
DI 45-3
Air Flow Rate
29
DI 45-2
31
Digital Output
DO 01-4
Running Status (ON/OFF)
32
DO 01-3
Common Line
33
DO 01-2
Comp. Status (ON/OFF)
34
DO 23-4
Running Mode
35
DO 23-2
36
DO 45-4
Air Flow Rate
37
DO 45-2
38
DO 67-4
Error Status
39
DO 67-1
Common Line
CAUTION
If you want to use Analogue Input signal for a variable capacity and a set temperature of
room, you have to connect the wiring of AI 10-2, AI 10-3, AI 10-4.
!
Electric Wiring Work
